It was almost a smile of understanding.

"I am--indebted to you--boss," he said, and with the words very calmly he took his revolver by the muzzle and held it out.
"I surrender to you--without conditions." Bill Warden gave a sharp start of surprise.

For an instant he hesitated, then in silence he took the weapon and dropped it into his pocket.

A moment longer he looked Fletcher Hill straight in the eyes, then swung upon his heel.
"We'll get out of this infernal hole straight away," he said, and, stooping, gripped his fingers upon a ridge of stone that ran close to the floor.

The stone swung inward under his grasp, leaving a dark aperture gaping at his feet.